MS-7248 Mainboard
2-8
Power Supply
PIN SIGNAL
13 +3.3V
14 -12V
15 GND
16 PS-ON#
17 GND
18 GND
19 GND
20 Res
21 +5V
22 +5V
23 +5V
24 GND
PIN SIGNAL
1 +3.3V
2 +3.3V
3 GND
4 +5V
5 GND
6 +5V
7 GND
8 PWR OK
9 5VSB
10 +12V
11 +12V
12 +3.3V
Pin Definition
PIN SIGNAL
1 GND
2 GND
3 12V
4 12V
JPWR1 Pin Definition
Important
1. Maker sure that all the connectors are connected to proper ATX power sup-
plies to ensure stable operation of the mainboard.
2. Power supply of 350 watts (and above) is highly recommended for system
stability.
3. ATX 12V power connection should be greater than 18A.
4. For this model, you must use a power supply that comes with a -5V pin supply.
BTX 24-Pin Power Connector: BTX1
This connector allows you to connect a BTX 24-pin power supply. To connect the
ATX 24-pin power supply, make sure the plug of the power supply is inserted in the
proper orientation and the pins are aligned. Then push down the power supply firmly
into the connector.
BTX 12V Power Connector: JPWR1
This 12V power connector is used to provide power to the CPU.
BTX1
1
12
24
13
JPWR1
1
3
4
2
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